| 摘要 |
<p>A solid-state imaging apparatus including: a pixel section having two-dimensionally arrayed pixels each having a photoelectric conversion means, a memory means for storing photoelectric conversion signal of the photoelectric conversion means, a transfer means for transferring the photoelectric conversion signal to the memory means, a reset means for resetting the memory means, a discharge means for discharging photoelectric conversion signal accumulated at the photoelectric conversion means, and a read means for reading photoelectric conversion signal of the memory means; an A/D converter for converting a pixel signal outputted from the pixel section into a digital signal; a noise suppressing means for suppressing noise of signal from said A/D converter, having a frame memory for storing signals from the A/D converter, and an adder for adding an output from the frame memory and signal from the A/D converter; and a controller for, in reading signal from the same one pixel of the pixel section, effecting control so that there is a difference corresponding to one frame period between timing at which a first signal level of the pixel after transfer of the photoelectric conversion signal to the memory means by the transfer means is read out and timing at which a second signal level of the pixel at the time of resetting the memory means by the reset means is read out.
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